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    材料详细介绍 - pump
    
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                    <h1 class="title">
                            材料详细介绍   
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                                <p>
                                 <span class="date">2023/10/05</span>
                                  <span class="tran-posted-in">posted in</span>&nbsp; 
                                  
                                      <span class="posted-in"><a href='%E6%B0%B4%E6%B3%B5%20%E6%9D%90%E6%96%99.html'>水泵 材料</a></span>
                                         
                                  

                                   
                                      
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<li><a href="#%E4%B8%80%EF%BC%9A%E8%92%99%E4%B9%83%E5%B0%94%E5%90%88%E9%87%91">一：蒙乃尔合金</a>
<ul>
<li><a href="#1-1%E7%AE%80%E4%BB%8B%EF%BC%9A">1.1 简介：</a>
<ul>
<li><a href="#1%E6%88%90%E5%88%86%EF%BC%9A">1. 成分：</a></li>
<li><a href="#2%E7%89%B9%E7%82%B9%EF%BC%9A">2. 特点：</a></li>
<li><a href="#3%E9%80%82%E7%94%A8%E5%9C%BA%E6%99%AF%EF%BC%9A">3. 适用场景：</a></li>
<li><a href="#4%E4%B8%8D%E9%80%82%E7%94%A8%E5%9C%BA%E6%99%AF%EF%BC%9A">4. 不适用场景：</a></li>
<li><a href="#5%E5%85%B7%E4%BD%93%E6%A1%88%E4%BE%8B">5.具体案例</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
<h2><a id="%E4%B8%80%EF%BC%9A%E8%92%99%E4%B9%83%E5%B0%94%E5%90%88%E9%87%91" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>一：蒙乃尔合金</h2>
<h3><a id="1-1%E7%AE%80%E4%BB%8B%EF%BC%9A" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>1.1 简介：</h3>
<h4><a id="1%E6%88%90%E5%88%86%EF%BC%9A" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>1. 成分：</h4>
<ol>
<li>【70%镍和30%铜】</li>
<li>Cu作为在Ni中加入了非氧化性抗蚀剂，改善了镍合金的耐蚀性，并起到强化合金的作用</li>
<li>加入1.5%左右的铁，改善合金的铸造性能；</li>
</ol>
<h4><a id="2%E7%89%B9%E7%82%B9%EF%BC%9A" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>2. 特点：</h4>
<ol>
<li>镍基耐蚀合金中的Ni-Cu系合金【最早美国国际镍公司开发】</li>
<li>具有较高的强度和韧性，又具有优良的抗还原酸及强碱介质和海水等腐蚀介质，</li>
</ol>
<h4><a id="3%E9%80%82%E7%94%A8%E5%9C%BA%E6%99%AF%EF%BC%9A" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>3. 适用场景：</h4>
<ol>
<li>氢氟酸（HF）</li>
<li>盐水</li>
<li>中性介质</li>
<li>碱盐</li>
<li>还原性酸</li>
<li>氯气、氯化氢、高温氯气（425度）、高温氯化氢（450℃ ）</li>
</ol>
<h4><a id="4%E4%B8%8D%E9%80%82%E7%94%A8%E5%9C%BA%E6%99%AF%EF%BC%9A" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>4. 不适用场景：</h4>
<p><strong>含硫的介质</strong>和<strong>氧化性介质</strong>（如：硝酸，含氧量高的介质）的腐蚀 ，镍与<strong>硫</strong>和<strong>氧</strong>有剧烈反应，容易形成Ni3S2 和 NiO</p>
<h4><a id="5%E5%85%B7%E4%BD%93%E6%A1%88%E4%BE%8B" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>5.具体案例</h4>
<ol>
<li>炼油厂烷基化装置中的HF酸再生塔部分。由于HF酸再生温度高达（149 ℃ ）和含水率高的原因；</li>
<li>炼油厂催化剂的无灰添加剂的生产和氯碱厂高浓度氯碱液系统等工况中；</li>
</ol>

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